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CUSTOMER
RENTALS
In the table RENTALS, Rtn provides the rental number (the primary key., Cname refers to the Cname in Customer, Pickup is the city where the car was picked up, and Return is the city where the car was returned.
RENTCOST
In RENTCOST, COST shows the base cost of renting a given MAKE for one day.
CITYADJ
If the return city of table RENTALS is the one listed in table CITYADJ, the cost of the rental is multiplied by FACTOR and by DAYS shown in table RENTLENGTH below.
RENTLENGTH
RENTLENGTH shows the number of DAYS for the rental number (RTN) of the table RENTALS (this table exists for the sake of testing SQL. Normally, the data here should be part of table RENTALS.
-As a result of the execution of the query SELECT Cname,SUM(COST) as Totalrent
FROM RENTALS,RENTCOST
WHERE RENTALS.Make = RENTCOST.MAKE
GROUP BY Cname
The largest value found in the column Totalrent is:
Overspeed
A condition in which a mechanical component operates at a speed higher than its designed maximum, potentially leading to damage or failure.
Ignition Switch
A switch that controls the electrical system's activation in a vehicle, often used to start the engine.
Cranking Current
The current drawn by an engine's starter motor during the cranking, or starting, process.
Hold-in Windings
Electromagnetic windings used to maintain the position of a movable armature or to hold a device in a certain position.
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